When an individual muscle fiber receives a threshold stimulus, it contracts as much as possible. ... a threshold stimulus is the minimum amount of energy needed to make a muscle fiber contract.
It’s B I think bro. Use a different app this one sucks
The area is called the anterior fontanel and closes anytime between 9 and 18 months of age.
It is more rapid in the earth I’m just kidding it’s more rapid in the Middle ages
